greybus: interface: remove device_id attribute

The interface device_id attribute is an implementation detail that does
not need to be exported to user space.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

diff --git a/drivers/staging/greybus/interface.c b/drivers/staging/greybus/interface.c
index 9f4cf4d..4ed782e 100644 (file)
--- a/drivers/staging/greybus/interface.c
+++ b/drivers/staging/greybus/interface.c
@@ -20,14 +20,12 @@ static ssize_t field##_show(struct device *dev,                             \
 }                                                                      \
 static DEVICE_ATTR_RO(field)
 
-gb_interface_attr(device_id, d);
 gb_interface_attr(vendor_id, x);
 gb_interface_attr(product_id, x);
 gb_interface_attr(vendor_string, s);
 gb_interface_attr(product_string, s);
 
 static struct attribute *interface_attrs[] = {
-       &dev_attr_device_id.attr,
        &dev_attr_vendor_id.attr,
        &dev_attr_product_id.attr,
        &dev_attr_vendor_string.attr,